The head injury New York Jets cornerback Darrelle Revis suffered in Sunday's 48-28 rout of the Buffalo Bills has been diagnosed as a mild concussion, coach Rex Ryan told reporters Monday.

Although Revis is confident he will play Week 2 against the Pittsburgh Steelers, he will need to undergo tests before he is cleared.

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Ryan said the team will follow protocol, even if it means the four-time Pro Bowl selection would need to miss an important AFC game.

“With any head injury and any injury at all but especially a head injury, I’m going to err on the side of caution," Ryan said. "We’ll see how he progresses.”

The Jets will hope Revis will be in the lineup to slow down the Steelers' talented, speedy wide receivers, including Mike Wallace, Antonio Brown and Emmanuel Sanders. As for Revis, as a Aliquippa, Pa., native who went on to star at the University of Pittsburgh, a trip to Heinz Field also presents a chance for a happy homecoming.